Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7f399031b9d42f…

MALICIOUS

PDF

345.5 KB Created: 2022-02-12 20:24:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 2d5ec6e78b04074faff4da8f201ea22a SHA-1: ec5ef19d56fe029527d5cbfe1620cf9b5b38d528 SHA-256: cd7f399031b9d42fe39693bae9fdc2821f1759ee06ade0c8e578cc56af8d5fee
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6297

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://wirut.co.za/XSRYdR1H?utm_term=airfield+defence+guard+uniform PDF link annotation
    • http://dothimau.vn/kcfinder/upload/files/xavunuzor.pdfIn PDF document text
    • http://grandwatergatehotel.com/upfile_hotel/files/58945494470.pdfIn PDF document text
    • http://xmzhj.com/UserFiles/file/33543609427.pdfIn PDF document text
    • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161ef9230ee98d---41752149513.pdfIn PDF document text
    • https://faresaldabbous.com/uploads/file/45299947843.pdfIn PDF document text
    • https://kitapkapla.com/upload/ckfinder/files/50447169234.pdfIn PDF document text
    • http://giahung.tincorner.com/uploads/files/wapalakusonamogixuped.pdfIn PDF document text
    • http://www.umadai.com/ckfinder/userfiles/files/29103459768.pdfIn PDF document text
    • http://www.oftalmed.com.br/files/ckeditor_custom/kcfinder/upload/files/panere.pdfIn PDF document text
    • https://hondaotohaiphong.vn/upload/files/wakozulanowoli.pdfIn PDF document text
    • https://transmilenio.net/datamont/userfiles/file/rujeborawofawege.pdfIn PDF document text
    • https://agape4u.org/userfiles/file/dupudareginisivi.pdfIn PDF document text
    • http://fzsvybbs.at/userfiles/file/98803700999.pdfIn PDF document text
    • http://bjqyms.com/filespath/files/20211226194755.pdfIn PDF document text
    • http://aotwresort.net/ckfinder/userfiles/files/tuxagusetadugid.pdfIn PDF document text
    • https://iamtimeshare.com/userfiles/file/48255529390.pdfIn PDF document text
    • https://markapin.com/calisma2/files/uploads/jepisudivoravalexebamedib.pdfIn PDF document text
    • https://leresto-niort.fr/images/userfiles/files/79803935598.pdfIn PDF document text
    • https://tranhtreo.com/images/ckeditor/files/90505064618.pdfIn PDF document text
    • http://starejsasporocila.igorgabrovec.eu/userfiles/file/tijigezojaziverem.pdfIn PDF document text
    • https://anhhuynoithat.com/asset/files/89386750280.pdfIn PDF document text
    • http://stowarzyszeniemalyksiaze.eu/img/upload/files/vixipavujanogozumazobuwum.pdfIn PDF document text
    • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/76a6af52a4cc58fd85d2e2e8d3544f71/sitexukasakuzanisebuta.pdfIn PDF document text
    • https://pelletier-tp.fr/ckfinder/userfiles/files/79047005681.pdfIn PDF document text
    • http://mastervgtour.by/var/upload/file/50575826921.pdfIn PDF document text
    • http://robodit.ru/kcfinder/upload/files/nijajoseri.pdfIn PDF document text
    • http://grimastone.ru/files/77671243967.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004b4cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4B4CD 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0004cbed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CBED 10636 bytes
SHA-256: c101d0916bfd583d91a319f6039ee47078668e6168eccfd243e14408f8fc757e
font_02_sfnt_off0004e3fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E3FA 21304 bytes
SHA-256: 4b5cdd02a752d553bf05266924f785370561f2396cdf4e464ffbd03831cc2294
font_03_sfnt_off0005190d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5190D 21364 bytes
SHA-256: 880516da5020b0976d0394917d99cdd7d9b5d7fba4960075f51efb08d29660b1

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